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प्रश्न
What effect does temperature have on air pressure?
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उत्तर
- Temperature and air pressure are closely related.
- Whenever the temperature is high, the air pressure is low.
- As the temperature rises, the air gets heated, expands, and becomes lighter.
- This lighter air in the vicinity of the earth's surface starts moving upwards in the sky. As a result, the air pressure in such areas decreases.
संबंधित प्रश्न
State two experiences that made you think that air exerts pressure.
What is the purpose of a barometer?
Mention two demerits of a simple barometer and state how they are removed in a Fortin barometer .
What do the following indicate in a barometer regarding weather : gradual fall in the mercury level
At sea level, the atmospheric pressure is 76 cm of Hg. If air pressure falls by 10 mm of Hg per 120m of ascent, what is the height of a hill where the barometer reads 70 cm Hg. State the assumption made by you.
Briefly state the variations in the vertical distribution of pressure.
Briefly explain the three chief types of winds.
What will be the effect on air pressure if the temperature drops? Why?
Air pressure is expressed in ______.
